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Neural Reorganization Underlies Improvement in Stroke-induced Motor Dysfunction by Music-supported Therapy

机译：神经重组通过音乐支持的治疗来提高中风诱导的电动机功能障碍的改善

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Motor impairments are common after stroke, but efficacious therapies for these dys-functions are scarce. By extending an earlier study on the effects of music-supported therapy, behavioral indices of motor function as well as electrophysiological measures were obtained before and after a series of therapy sessions to assess whether this new treatment leads to neural reorganization and motor recovery in patients after stroke. The study group comprised 32 stroke patients in a large rehabilitation hospital; they had moderately impaired motor function and no previous musical experience. Over a period of 3 weeks, these patients received 15 sessions of music-supported therapy using a manualized step-by-step approach. For comparison 30 additional patients received standard rehabilitation procedures. Fine as well as gross motor skills were trained by using either a MIDI-piano or electronic drum pads programmed to emit piano tones. Motor functions were assessed by an extensive test battery. In addition, we studied event-related desynchronization/synchronization and coherences from all 62 patients performing self-paced movements of the index finger (MIDI-piano) and of the whole arm (drum pads). Results showed that music-supported therapy yielded significant im-provement in fine as well as gross motor skills with respect to speed, precision, and smoothness of movements. Neurophysiological data showed a more pronounced event-related desynchronization before movement onset and a more pronounced coherence in the music-supported therapy group in the post-training assessment, whereas almost no differences were observed in the control group. Thus we see that music-supported therapy leads to marked improvements of motor function after stroke and that these are accompanied by electrophysiological changes indicative of a better cortical connectivity and improved activation of the motor cortex.
机译：在中风后，电机损伤是常见的，但这些功能功能的有效疗法是稀缺的。通过延长关于音乐支持治疗的影响的早期研究，在一系列治疗会话之前和之后获得了运动功能的行为指数以及电生理学措施，以评估这种新治疗是否导致患者的神经重组和运动恢复之后中风。该研究组在大型康复医院组成32例中风患者;它们具有适度受损的运动功能，并且没有以前的音乐体验。在3周内，这些患者使用手动逐步的方法接受了15个音乐支持治疗的会话。为了比较30患者接受了标准康复程序。通过使用编程的Midi-Piano或电子鼓焊盘培训，培训良好以及毛训练技能，以发射钢琴色调。通过广泛的测试电池评估电机功能。此外，我们研究了所有62名患者的事件相关的去同步/同步和一致性，该患者表现了食指（MIDI-PIANO）和整个臂（鼓垫）的自定节奏运动。结果表明，音乐支持的疗法在速度，精度和运动平滑的情况下，良好的IM-Propement提供了显着的IM-Propement。神经生理数据显示出在运动开始之前更明显的事件相关的去同步，并且在训练后评估中的音乐支持的治疗组更明显的相干性，而在对照组中几乎没有观察到差异。因此，我们看到音乐支持的治疗导致行程后的电动机功能的改善，并且这些伴随着指示更好的皮质连接和电动机皮质激活的电生理变化。

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